定语从句关系代词as用法.ppt
定语从句关系代词定语从句关系代词as的用法的用法考点透视考点透视考纲定位和能力要求:重点掌握as引导非限制性定语从句的用法。一、一、as 引导限制性定语从句引导限制性定语从句当先行词前有such,so,the same修饰,同时定语从句缺少主语或宾语时,应使用关系代词as,例如:温馨提示:温馨提示:要注意such/soas 引导的定语从句与such/sothat 引导的状语从句的区别。例如:典题直击典题直击 The book is written in _ easy English _ beginners can understand.D二、二、as引导非限制性定语从句引导非限制性定语从句当as引导非限定从时,先行词为整个句子,同时在从句中担当主语或宾语的成分,可以翻译成“正如”,例如:注意事项:注意事项:1.as引导非限定从与which的区别。1)As we know,he is an honest person.=【总结总结】1.位置上的不同:当先行词为一句话,as引导的非限定从可以放在主句后,主句前,或者把主句拆分,放在中间;而which引导的非限定从只能放在主句后。2.as 引导非限定从与主语从句的区别。As is known to all,the earth travels around the sun.典题直击典题直击 1.There is no simple answer,_ is often the case in science.A 典题直击典题直击2.A lot of language learning,_has been discovered,is happening A 典题直击典题直击 3._ is reported in the newspapers,talks between the B能力突破能力突破1.The air quality in the city,_ is shown in the report,has C 能力突破能力突破3.“You cant judge a book by its cover,”_.C备考指津1.对于as引导定语从句的用法,高考重点考查的是as引导非 谢谢您的观看!谢谢您的观看!